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zkLedger Privacy-Preserving Auditing for Distri...
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zak
April 26, 2019
Research
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260
zkLedger Privacy-Preserving Auditing for Distributed Ledgers
zak
April 26, 2019
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Transcript
None
❖ ❖ ❖ ▪
None
❖ ❖ ❖
❖ ❖ ❖
❖ ➢ ▪ ▪ ❖ ➢ ➢ ➢
❖ Banks Auditor ▪ ❖ ▪ Bank i v t
Bank j ❖
❖ ❖ Bank keypair ▪ sk ▪ pk hsk ❖
v v π v
❖ ❖ Auditor Bank Bank Auditor Auditor Auditor
❖ Bank Bank Auditor ❖ Bank ❖
❖ ❖ ❖
❖ Bank ❖ COMM(v, r) v {π i A, π
i B, π i C} Bank i ▪ π i A [0, 240) ▪ π i B ▪ π i C Token Token i (pk i )ri ▪ Bank Bank Auditor ▪
❖ Auditor Bank Bank t ❖ Auditor Bank Bank
❖ Bank ❖ Auditor ❖ Bank ❖ Bank Auditor Bank
x, π
❖ ❖
❖ ❖
❖ btcec secp256k1 ▪ btcec
❖ Bank ❖ ▪ ▪ Bank ▪ ▪ Auditor Bank
▪ net/rpc
❖ ❖ ▪
❖ ❖
Bank ❖ Bank ❖ Bank
❖ ❖
None
None